phosphophyllite


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phosphophyllite

[‚fäs·fō′fi‚līt]
(mineralogy)
Zn2(FeMn)(PO4)2·4H2O Colorless to pale-blue mineral composed of hydrous zinc ferrous iron manganese phosphate; exhibits micalike cleavage.
References in periodicals archive ?
The protagonist is Phosphophyllite, the weakest of the Lustrous and the only one without a job or purpose.
The phosphate coating enriched with a phosphophyllite structure showed small globular crystals with less porosity, whereas a hopeite structure showed coarse crystals with high porosity and comparatively thicker coating.
org), who seems to have visited every time zone on earth, had some interesting phosphophyllite psuedomorphs after marine fossils.
Otherwise we could perhaps breed a few more phosphophyllite twins.
The report from the 2009 Tucson Show (May-June 2009) mentioned the newly discovered occurrence of phosphophyllite in Bolivia, represented then by a few miniature-size specimens being offered by two or three dealers.
No, the new specimens are not anything like, and do not rival in glamour, the fabulous blue-green gemmy twins found in the early 1960s in the Unificada mine, Cerro Rico de Potosi; rather, this phosphophyllite is more humble-looking and hails from a recently worked surface prospect at the Infiernillos mine, Canutillos, Colavi district, Potosi.
The classic German specimen which I found most remarkable among the many at Herr Zecha's stand is a 6-cm mass of phosphophyllite crystals from Hagendorf-Sud, Bavaria, sporting sharp, individual, pale green crystals to 1 cm.
One year it was crystals of Imperial topaz from his mine in Brazil; another year it was a little case of gorgeous Paraiba tourmalines (Cu-rich elbaite); and occasionally he exhibits one of his most famous "ikons," the Great Phosphophyllite.
Potosi is probably best known to collectors for the world's best phosphophyllite crystals, but, considering its long and illustrious history, how could you not know about all the other specimens produced at this locality?
The specimens are cheap to buy but are very aesthetic, not lightly to be dismissed even by those whose tastes run more to proustite and phosphophyllite.
It was at Potosi that he acquired a spectacular 6-inch twinned phosphophyllite crystal on matrix which is considered by some to be the finest mineral specimen in existence.
Kay was a founding member of the Southern California Micromineralogists Society, and after the German trip she was able to bring, for example, exotic Hagendorf-Sud microspecimens of strunzite, strengite, hureaulite, phosphophyllite etc.